This machine failure, the red light on the panel to put out, therefore, it is bad standby power supply or the CPU does not work. Because of the lights on the panel is by standby power supply, light is controlled by the CPU. iHjservice manual download site
 iHjservice manual download site
In the event of a failure, the measured socket P3 attending foot STBY 7 v for OV, thus determine fault in the power board, and the standby switch power supply. Standby switch power IC851 without work, measure IC851 7 feet have 300 v voltage, after repeated examination, found that is 1) feet D857 direction for 140 n resistance smaller. After change new boot normally.iHjservice manual download site